@inproceedings{lorenzetti08learning, author = "Carlos M. Lorenzetti and Ana G. Maguitman", title = "Learning {B}etter {C}ontext {C}haracterizations: {A}n {I}ntelligent {I}nformation Retrieval Approach", booktitle = "XXXIV Conferencia Latinoamericana de Inform\'{a}tica", year = "2008", pages = "200--209", address = "Santa Fe, SF, Argentina", month = "September", url = "http://arxiv.org/abs/1004.3478v2", }